Obsidian808
Data engineer. Mostly SQL and Airflow.
Fellow
Joined Mar 2026
SQL
Common Table Expressions
Correlated Subquery
Scalar Subquery
Python
Nested Dicts
Splitting & Joining
Type Hints
Data Modeling
Grain Definition
Fact Tables
Star Schema
Solved
Milestones
First interview
24 runs in the past 26 weeksActive days: 16 · Max streak: 2
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